<?php

if (!defined('BASEPATH'))
    exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 4.3.2 or newer
 *
 * @package		CodeIgniter
 * @author		ExpressionEngine Dev Team
 * @copyright	Copyright (c) 2008 - 2009, EllisLab, Inc.
 * @license		http://codeigniter.com/user_guide/license.html
 * @link		http://codeigniter.com
 * @since		Version 1.0
 * @filesource
 */
// ------------------------------------------------------------------------

/**
 * CodeIgniter Number Helpers
 *
 * @package		CodeIgniter
 * @subpackage	Helpers
 * @category	Helpers
 * @author		ExpressionEngine Dev Team
 * @link		http://codeigniter.com/user_guide/helpers/number_helper.html
 */
// ------------------------------------------------------------------------

/**
 * Formats a numbers as bytes, based on size, and adds the appropriate suffix
 *
 * @access	public
 * @param	mixed	// will be cast as int
 * @return	string
 */
if (!function_exists('byte_format')) {

    function byte_format($num, $desc=true) {
        $CI = & get_instance();
        $CI->lang->load('number');

        if ($num >= 1000000000000) {
            $num = round($num / 1099511627776, 1);
            $unit = $CI->lang->line('terabyte_abbr');
        } elseif ($num >= 1000000000) {
            $num = round($num / 1073741824, 1);
            $unit = $CI->lang->line('gigabyte_abbr');
        } elseif ($num >= 1000000) {
            $num = round($num / 1048576, 1);
            $unit = $CI->lang->line('megabyte_abbr');
        } elseif ($num >= 1000) {
            $num = round($num / 1024, 1);
            $unit = $CI->lang->line('kilobyte_abbr');
        } else {
            $unit = $CI->lang->line('bytes');
            return number_format($num) . ' ' . $unit;
        }

        if ($desc == true) {
            $retorno = number_format($num, 1) . ' ' . $unit;
        } else {
            $retorno = number_format($num, 1);
        }

        return $retorno;
    }

}

/* End of file number_helper.php */
/* Location: ./system/helpers/number_helper.php */